LOGARITHMIC DETECTOR. HMC948LP3E Datasheet

HMC948LP3E DETECTOR. Datasheet pdf. Equivalent

Part HMC948LP3E
Description LOGARITHMIC DETECTOR
Feature POWER DETECTORS - SMT v02.0913 Typical Applications The HMC948LP3E is ideal for: • Point-to-Point M.
Manufacture Analog Devices
Datasheet
Download HMC948LP3E Datasheet



HMC948LP3E
v02.0913
Typical Applications
The HMC948LP3E is ideal for:
• Point-to-Point Microwave Radio
• VSAT
• Wideband Power Monitoring
• Receiver Signal Strength Indication (RSSI)
• Test & Measurement
HMC948LP3E
54 dB, LOGARITHMIC
DETECTOR, 1 - 23 GHz
Features
Wide Input Bandwidth: 1 to 23 GHz
Wide Dynamic Range: 54 dB up to 23 GHz
Single Positive Supply: +3.3V
Excellent Stability Over Temperature
Fast Rise / Fall Time: 5 / 7 ns
16 Lead 3x3 mm SMT Package: 9 mm²
Functional Diagram
General Description
The HMC948LP3E Logarithmic Detector converts
RF signals at its input, to a proportional DC voltage
at its output. The HMC948LP3E employs successive
compression topology which delivers high dynamic
range over a wide input frequency range. As the input
power is increased, successive amplifiers move into
saturation one by one creating an approximation of
the logarithm function. The output of a series of square
law detectors is summed, converted into the voltage
domain and buffered to drive the LOG OUT output.
The HMC948LP3E provides a nominal logarithmic
slope of +14.2 mV/dB and an intercept of -111 dBm at
23 GHz. Ideal as a log detector for high volume micro-
wave radio and VSAT applications, the HMC948LP3E
is housed in a compact 3x3 mm RoHS compliant SMT
plastic package.
Electrical Specifications, TA = +25 C Vcc = +3.3V
Parameter
Typ.
Typ.
Typ.
Typ.
Typ.
Typ.
Typ.
Units
Input Frequency[1]
1
5
10
14
18
20
23
GHz
±3 dB Dynamic Range
53
54
54
55
55
55
55
dB
±3 dB Dynamic Range Center
-23
-25
-24
-22
-20
-15
-15
dBm
Log Error Over Temperature (-40 to +85)
±1
±1
±1
±1.5
±1.5
±1.5
±1.5
dB
Output Intercept
-104
-107
-109
-112
-113
-108
-111
dBm
Output Slope
16.8
16.7
15.9
15.2
14.6
14.4
14.2
mV/dB
[1] Video output load should be 1K Ohm or higher.
1
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Trademarks and registered trademarks arAe tphepplriocpearttyioofntheSir urepsppecotivret:owPnehrso. ne: 978-250-3A3p4p3licaotrionaSpuppsp@orht:iPtthitoen.ec: o1-m800-ANALOG-D



HMC948LP3E
v02.0913
Electrical Specifications, (continued)
Parameter
LOGOUT Interface
Output Voltage Range
Output Rise Time [1] / Fall Time [2]
Power Supply (Vcc)
Operating Voltage Range
Supply Current in Normal Mode
[1] 0 dBm Input Pulsed; measured from 10% to 90%
[2] 0 dBm Input Pulsed; measured from 90% to 10%
Conditions
f = 10 GHz
HMC948LP3E
54 dB, LOGARITHMIC
DETECTOR, 1 - 23 GHz
Min.
Typ.
Max.
Units
0.9
1.8
V
5/7
ns
3.15
3.3
3.45
V
91
mA
LOG OUT & Error
vs. Input Power, Fin = 1 GHz
2
3
Ideal
Log Out +25 C
2
Log Out +85 C
Log Out -40 C
1.5
1
0
1
-1
ERR +25 C
ERR +85 C
-2
ERR -40 C
0.5
-3
-60 -50 -40 -30 -20 -10
0
10
INPUT POWER (dBm)
LOG OUT & Error
vs. Input Power, Fin = 10 GHz
2
3
Ideal
Log Out +25 C
2
Log Out +85 C
Log Out -40 C
1.5
1
0
1
-1
ERR +25 C
-2
ERR +85 C
ERR -40 C
0.5
-3
-60 -50 -40 -30 -20 -10
0
10
INPUT POWER (dBm)
LOG OUT & Error
vs. Input Power, Fin = 5 GHz
2
3
Ideal
Log Out +25 C
2
Log Out +85 C
Log Out -40 C
1.5
1
0
1
-1
ERR +25 C
ERR +85 C
-2
ERR -40 C
0.5
-3
-60 -50 -40 -30 -20 -10
0
10
INPUT POWER (dBm)
LOG OUT & Error
vs. Input Power, Fin = 14 GHz
2
3
Ideal
Log Out +25 C
Log Out +85 C
2
Log Out -40 C
1.5
1
0
1
-1
ERR +25 C
-2
ERR +85 C
ERR -40 C
0.5
-3
-60 -50 -40 -30 -20 -10
0
10
INPUT POWER (dBm)
Unless otherwise noted: Vcc = +3.3V, TA = +25 °C
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2
Trademarks and registered trademarks arAe tphepplriocpearttyioofntheSir urepsppecotivret:owPnehrso. ne: 978-250-3A3p4p3licaotrionaSpuppsp@orht:iPtthitoen.ec: o1-m800-ANALOG-D





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